package controller;

import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;
import utils.LayData;
import utils.Page;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {

    @Autowired
     private UserService userService;
    @RequestMapping("/tolist")
    public String toList(){
        return "asyncuser/list";
    }
    @RequestMapping("/list")
    @ResponseBody
    public String list(User user, @RequestParam(value = "page",defaultValue = "1") Integer currentPage,
                       @RequestParam(value = "limit",defaultValue = "10") Integer pageSize, Model model){
        //查询数据
        int totalCount = userService.count(user);
        //计算偏移量
        int offset = (currentPage-1)* pageSize;
        List<User> users = userService.findAll(user, offset,pageSize);
        LayData LayData = new LayData(0, users,totalCount, "查询成功");
        return JSON.toJSONString(LayData);
    }
    @RequestMapping("/toadd")
    public String toAdd(){
        return "user/add";
    }
    @RequestMapping("/addSave")
    @ResponseBody
    public String addSave(User user){
        int result = userService.addUser(user);
        if (result>0){
            return JSON.toJSONString(new LayData( "添加成功",0));
        }
        else{
            return JSON.toJSONString(new LayData( "添加失败",1));
        }
    }
    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String delete(@PathVariable("id")  Integer id) {
        int result = userService.deleteUserById(id);

            if (result > 0) {
                return JSON.toJSONString(new LayData("删除成功", 0));
            } else {
                return JSON.toJSONString(new LayData("删除失败", 500));
            }
        }

    @RequestMapping("/toupdate/{id}")
    public String toupdate(@PathVariable("id") Integer id,Model model){
        model.addAttribute("user",userService.findUserById(id));
        return "asyncuser/update";
    }

    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(User user){
        int result = userService.updateUser(user);
        if (result>0){
            return "redirect:/asyncuser/list";
        }else {
            return "error";
        }
    }

}
